Overview
The ULQ2003ATDG4Q1 is a high-voltage, high-current Darlington transistor array produced by Texas Instruments. This device is part of the ULQ200xA-Q1 family and is specifically designed for automotive applications. It features seven npn Darlington pairs, each capable of handling high-voltage outputs with integrated common-cathode clamp diodes for switching inductive loads.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 16 | - |
| Operating Temperature Range | -40 to 105 | °C |
| Output Voltage | 50 | V |
| Collector Current (single output) | 500 mA | - |
| Peak Collector Current | 600 mA | - |
| Series Base Resistor | 2.7 kΩ | - |
| Input Voltage Compatibility | TTL, 5V CMOS | - |
| ESD Protection | 200V (Machine Model) | - |
Key Features
- Qualified for automotive applications
- ESD protection exceeds 200V using machine model (C = 200pF, R = 0)
- 500mA-rated collector current per single output
- High-voltage outputs: 50V
- Output clamp diodes for inductive load switching
- Inputs compatible with TTL, 5V CMOS, and other logic families
- Relay-driver applications
- Darlington pairs can be paralleled for higher current capability
Applications
The ULQ2003ATDG4Q1 is versatile and can be used in a wide range of applications, including:
- Driving solenoids and relays
- Controlling DC motors and LED displays
- Operating filament lamps and thermal print-heads
- High-power buffer applications
Q & A
- What is the operating temperature range of the ULQ2003ATDG4Q1?
The operating temperature range is -40°C to 105°C.
- How many Darlington pairs are included in the ULQ2003ATDG4Q1?
There are seven npn Darlington pairs.
- What is the maximum output voltage of the ULQ2003ATDG4Q1?
The maximum output voltage is 50V.
- What is the collector current rating per single output?
The collector current rating is 500mA per single output, with a peak current of 600mA.
- Is the ULQ2003ATDG4Q1 compatible with TTL and CMOS logic?
Yes, it is compatible with TTL and 5V CMOS logic.
- What type of ESD protection does the ULQ2003ATDG4Q1 offer?
The device offers ESD protection exceeding 200V using the machine model (C = 200pF, R = 0).
- Can the Darlington pairs be paralleled for higher current capability?
Yes, the Darlington pairs can be paralleled to achieve higher current capability.
- What types of loads can the ULQ2003ATDG4Q1 drive?
The device can drive a variety of loads including solenoids, relays, DC motors, LED displays, filament lamps, and thermal print-heads.
- What package type is the ULQ2003ATDG4Q1 available in?
The device is available in a 16-pin SOIC (D) package.
- Is the ULQ2003ATDG4Q1 qualified for automotive applications?
Yes, it is qualified for automotive applications and meets the AEC-Q100 specification.
